download links pasted in search box

core/src/main/groovy/com/muwire/core/Core.groovy

@@ -1,5 +1,6 @@
 package com.muwire.core
 
+import com.muwire.core.download.UIDownloadLinkEvent
 import com.muwire.core.files.InfoHashEvent
 import com.muwire.core.files.NegativeFiles
 import com.muwire.core.files.PersisterDoneEvent
@@ -469,6 +470,7 @@ public class Core {
         eventBus.register(DownloadHopelessEvent.class, downloadManager)
         eventBus.register(UIDownloadCollectionEvent.class, downloadManager)
         eventBus.register(UIDownloadAttachmentEvent.class, downloadManager)
+        eventBus.register(UIDownloadLinkEvent.class, downloadManager)
 
         log.info("initializing upload manager")
         uploadManager = new UploadManager(eventBus, fileManager, meshManager, 

core/src/main/groovy/com/muwire/core/download/DownloadManager.groovy

@@ -95,6 +95,17 @@ public class DownloadManager {
 
     }
     
+    void onUIDownloadLinkEvent(UIDownloadLinkEvent e) {
+        Set<Destination> singleSource = new HashSet<>()
+        singleSource.add(e.host.destination)
+        
+        File target = muSettings.downloadLocation
+        target = new File(target, e.fileName)
+        
+        // TODO: sequential
+        doDownload(e.infoHash, target, null, e.length, e.pieceSizePow2, false, singleSource, null)
+    }
+    
     public void onUIDownloadFeedItemEvent(UIDownloadFeedItemEvent e) {
         Set<Destination> singleSource = new HashSet<>()
         singleSource.add(e.item.getPublisher().getDestination())

core/src/main/groovy/com/muwire/core/download/UIDownloadLinkEvent.groovy

@@ -0,0 +1,13 @@
+package com.muwire.core.download
+
+import com.muwire.core.Event
+import com.muwire.core.InfoHash
+import com.muwire.core.Persona
+
+class UIDownloadLinkEvent extends Event {
+    Persona host
+    InfoHash infoHash
+    String fileName
+    long length
+    int pieceSizePow2
+}

gui/griffon-app/controllers/com/muwire/gui/MainFrameController.groovy

@@ -1,10 +1,14 @@
 package com.muwire.gui
 
+import com.muwire.core.download.UIDownloadLinkEvent
 import com.muwire.core.files.DirectoryUnsharedEvent
 import com.muwire.core.files.directories.WatchedDirectory
 import com.muwire.core.messenger.UIFolderCreateEvent
 import com.muwire.core.messenger.UIFolderDeleteEvent
 import com.muwire.gui.MainFrameModel.UploaderWrapper
+import com.muwire.gui.mulinks.FileMuLink
+import com.muwire.gui.mulinks.InvalidMuLinkException
+import com.muwire.gui.mulinks.MuLink
 import com.muwire.gui.profile.PersonaOrProfile
 import com.muwire.gui.profile.TrustPOP
 import com.muwire.gui.profile.ViewProfileHelper
@@ -83,13 +87,28 @@ class MainFrameController {
     void search(ActionEvent evt) {
         if (evt?.getActionCommand() == null)
             return
-        def cardsPanel = builder.getVariable("cards-panel")
-        cardsPanel.getLayout().show(cardsPanel, "search window")
 
-        def searchField = builder.getVariable("search-field") 
-        def search = searchField.getSelectedItem()
-        searchField.model.addElement(search)
-        performSearch(search, null)
+        def searchField = builder.getVariable("search-field")
+        String search = searchField.getSelectedItem()
+        
+        if(search.startsWith("muwire://")) {
+            try {
+                MuLink link = MuLink.parse(search)
+                if(!link.verify())
+                    throw new InvalidMuLinkException("failed verification")
+                if (link.getLinkType() == MuLink.LinkType.FILE)
+                    downloadLink((FileMuLink)link)
+            } catch (InvalidMuLinkException e) {
+                JOptionPane.showMessageDialog(null, trans("INVALID_MULINK"),
+                    trans("INVALID_MULINK"), JOptionPane.WARNING_MESSAGE)
+            }
+        } else {
+            searchField.model.addElement(search)
+            performSearch(search, null)
+
+            def cardsPanel = builder.getVariable("cards-panel")
+            cardsPanel.getLayout().show(cardsPanel, "search window")
+        }
     }
     
     void repeatSearch(String terms, Integer tab, Boolean regex) {
@@ -209,6 +228,16 @@ class MainFrameController {
             originator : core.me, sig : sig.data, queryTime : timestamp, sig2 : sig2))
     }
     
+    private void downloadLink(FileMuLink link) {
+        view.showDownloadsWindow.call()
+        def event = new UIDownloadLinkEvent(host: link.host,
+            infoHash: link.infoHash,
+            fileName: link.name,
+            length: link.fileSize,
+            pieceSizePow2: link.pieceSizePow2)
+        core.eventBus.publish event
+    }
+    
     private List<Downloader> selectedDownloads() {
         int [] rows = view.selectedDownloaderRows()
         if (rows.length == 0)

gui/griffon-app/i18n/messages.properties

@@ -263,6 +263,7 @@ PLEASE_SELECT_ONE_FILE_FOLDER=Please select only one file to open it's containin
 COPY_PASTE_SERVER_ADDRESS=Copy/paste the address of the server here
 INVALID_SERVER_ADDRESS=Invalid server address
 COPY_PASTE_FEED_ID=Copy/paste the full MuWire ID to subscribe to
+INVALID_MULINK=Invalid MuWire link
 
 ## Search tab